pionéren is the masculine singular definite of pioner.

pionerN

Kven

eđeskävviijäN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:85610Edit on GitHub Suggest

ovdavázziN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:172855Edit on GitHub Suggest

Case	Sg	Pl
Indef	pioner	pionere
Def	pioneren	pionerne